Answer:A pure substance is a material with a constant chemical composition throughout its entire mass. A pure substance can exist in one or more physical phases such as a solid, liquid or vapor. ... Most pure substances have a well defined Triple Point where all three phases exist in equilibrium.
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Answer:A pure substance is a material with a constant chemical composition throughout its entire mass. A pure substance can exist in one or more physical phases such as a solid, liquid or vapor. ... Most pure substances have a well defined Triple Point where all three phases exist in equilibrium.
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